Re: [FFmpeg-user] Convert WAV to FLAC

2022-03-31 Thread Reindl Harald




Am 31.03.22 um 22:19 schrieb Paul B Mahol:

P.S.: Let's see what kind of insults this contribution provokes.


Provocations are not tolerated here


lol
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Re: [FFmpeg-user] Convert WAV to FLAC

2022-03-31 Thread Reindl Harald




Am 31.03.22 um 21:56 schrieb Wolfgang Hugemann:

because I can create .bat files and convert multiple files at once.


The original FLAC encoder also has a command line interface, and I 
actually used it for bulk conversion of WAVs via batch. For just audio 
conversion, I would rather use the original software than ffmpeg



people don't realize that for most cases ffmpeg is just a wrapper and 
for mp3 as example ikt's still too dumb for joint-stereo after decades 
(impressive given that it uses lame which clearly supports it)

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Re: [FFmpeg-user] Convert WAV to FLAC

2022-03-31 Thread Paul B Mahol
On Wed, Mar 30, 2022 at 9:12 PM Wolfgang Hugemann  wrote:

> I would rather use FLACs original frontend (than ffmpeg), which also
> provides a nice Windows GUI interface. FLAC conversion is also included
> in a variety of software products, i.e. Exact Audio Copy, which I used
> to rip all my music CDs.
>
> Wolfgang Hugemann
>
> P.S.: Let's see what kind of insults this contribution provokes.
>

Provocations are not tolerated here.


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Re: [FFmpeg-user] Convert WAV to FLAC

2022-03-31 Thread Wolfgang Hugemann

because I can create .bat files and convert multiple files at once.


The original FLAC encoder also has a command line interface, and I 
actually used it for bulk conversion of WAVs via batch. For just audio 
conversion, I would rather use the original software than ffmpeg.


In regard to VBR: I would rather consider this as an inevitable 
consequence of entropy compression: More repetitive sections of the WAV 
(say a single note repeated several times) will be compressed more 
effectively than more complex parts of the WAV. Nothing to worry about.


Wolfgang Hugemann
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Re: [FFmpeg-user] LUFS Normalization of WAV files

2022-03-31 Thread LLB via ffmpeg-user
 

On Wednesday, March 30, 2022, 03:39:41 PM PDT, CMG DiGiTaL 
 wrote:  
 
 Em qua., 30 de mar. de 2022 às 07:27, CMG DiGiTaL 
escreveu:

> Better use ebur128 scanner filter, it is much faster, after it reports
>> values, just apply volume filter.
>>
>
>
>> loudnorm dynamic processing is not perfect.
>
>

> hi Paul,
> Really?... based on the command line I sent, how could I do it the way you
> are saying?... can I use the same
> command changing some parameters or would it be a completely different
> command? How can I do it the way
> you suggested?
>
> thanks
>

hi Paul,

I've already managed to create a bat using ebur128, ok?.

I did some tests too and didn't see a big difference with loudnorm, but
I'll keep testing other audio formats with it.
 Below is one of the tests I did:

ffmpeg -hide_banner -i "C:\Users\CMG\Desktop\WAV audio LUFS\audio.wav" -af
ebur128 -f null NUL

Integrated loudness:
I:          *-8.8* LUFS
Threshold: *-18.8* LUFS

Loudness range:
  LRA:        2.0 LU
  Threshold: -28.8 LUFS
  LRA low:    -9.7 LUFS
  LRA high:  -7.8 LUFS

-

ffmpeg -hide_banner -i "C:\Users\CMG\Desktop\WAV audio LUFS\audio.wav" -af
"[0:a]loudnorm=print_format=summary" -f null NUL

Input Integrated:    *-8.9* LUFS
Input True Peak:      +0.7 dBTP
Input LRA:            2.0 LU
Input Threshold:    *-18.9* LUFS

Output Integrated:  -23.8 LUFS
Output True Peak:    -13.8 dBTP
Output LRA:            1.7 LU
Output Threshold:    -33.8 LUFS

Normalization Type:  Dynamic
Target Offset:        -0.2 L

if we analyze the Threshold inputs, the difference is 0.1dB of loudness. I
don't know if in an example with another song, it might actually
make a bigger difference, but in this case, there wasn't a significant
difference!

thanks
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